https://medium.freecodecamp.org/docker-entrypoint-cmd-dockerfile-best-practices-abc591c30e21
Step
．First
Dockerfile ENTRYPOINT use all uppercase letters
Docker Compose entrypoint use lowercase letters.
．Second
CMD / command
The main purpose of a
CMD (Dockerfiles) /
command (Docker Compose files)
is to provide defaults when executing a container. These will be executed after the entrypoint.
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https://beginor.github.io/2017/10/21/dockerfile-cmd-and-entripoint.html
